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Boldjiev, B. ; Malykhin, Viacheslav I.
The sequentiality is equivalent to the ${\cal F}$-Fréchet-Urysohn property. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 23-25
MSC: 54A20, 54A35, 54D55 | MR 1056166 | Zbl 0696.54020
References:
[1] M. Katětov: Products of filters. Comment. Math. Univ. Carolinae 9 (1968), 173-189. MR 0250257
[2] A. P. Kombarov: On the Stone's theorem. Soviet Math. Dokl. 27 (1983), 544-546.
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